USMLE-Rx Step 2 Qmax Challenge #21707

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Check out today’s Step 2 CK Qmax Question Challenge.

Know the answer? Post it in the comments below! Don’t forget to check back for an update with the correct answer and explanation (we’ll post it in the comments section below).

A 48-year-old man presents to his primary physician complaining of “acne” on his face. It first appeared 2 months ago and has not responded to an “acne soap” he bought. He recently started using a new shaving cream. The rash is slightly pruritic and is located on his nasal bridge, nasolabial folds, and top lip. The lesions are erythematous with some slight yellowish flaking, particularly over his lip with no evidence of telangiectasias or pustules.

Which of the following is the most optimal management?

A. Discontinuation of shaving cream use
B. Low-potency (1%) hydrocortisone cream
C. Topical emollients
D. Topical metronidazole
E. Topical mupirocin ointment

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This practice question is an actual question from the USMLE-Rx Step 2 CK test bank. Get more Step 2 CK study help at USMLE-Rx.com.

USMLE-Rx Step 2 Qmax Challenge #21702

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Check out today’s Step 2 CK Qmax Question Challenge.

Know the answer? Post it in the comments below! Don’t forget to check back for an update with the correct answer and explanation (we’ll post it in the comments section below).

A 4-year-old girl is brought by her mother to the pediatrician because of a rash. She had a fever and headache yesterday, and this morning broke out in a rash on her torso. The lesions are erythematous macules and vesicles in different stages, distributed diffusely over her trunk but most prominent on her left upper chest and right flank. A diagnosis of chickenpox is made. Of note, there is a 16-year-old sibling in the household who has not been vaccinated and has never had chickenpox.

Which of the following interventions is best indicated for healthy but susceptible household contacts?

A. Administration of intravenous acyclovir to the patient
B. Administration of oral acyclovir to the patient and household contacts
C. Administration of vaccine and intramuscular varicella zoster immunoglobulin to household contacts
D. Administration of varicella vaccine to household contacts
E. No prophylaxis is necessary for household contacts

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This practice question is an actual question from the USMLE-Rx Step 2 CK test bank. Get more Step 2 CK study help at USMLE-Rx.com.

USMLE-Rx Step 1 Qmax Challenge #4460

4

Check out today’s Step 1 Qmax Question Challenge.

Know the answer? Post it below! Don’t forget to check back for an update with the correct answer and explanation (we’ll post it in the comments section below).

USMLE-Rx Step 1 Qmax Challenge #4460A concerned mother brings her 5-year-old son to the pediatrician’s office. She explains that the child has been healthy since birth, but has recently begun to have difficulty standing up. In the office, the physician notices that when the child wants to stand up, he uses his hands and arms to push himself to a standing position, as shown in the image. He is diagnosed with a genetic condition.

Which other disorder shares the same inheritance pattern as this patient’s genetic disease?

A. Cystic fibrosis
B. Hemochromatosis
C. Hemophilia A
D. Marfan’s syndrome
E. Neurofibromatosis type 1

———————–

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This practice question is an actual question from the USMLE-Rx Step 1 test bank. For more USMLE Step 1 prep, subscribe to our Flash Facts and Step 1 Express video series. Score the best deal on all three products with a Step 1 Triple Play Bundle.

USMLE-Rx Step 1 Qmax Challenge #4426

4

Check out today’s Step 1 Qmax Question Challenge.

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USMLE-Rx Step 1 Qmax Challenge #4426A loss of function mutation affecting a particular tumor suppressor gene causes the bilateral lesions shown in the image.

On which chromosome is this tumor suppressor gene found?

A. 5q
B. 11q
C. 13q
D. 17p
E. 22q

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This practice question is an actual question from the USMLE-Rx Step 1 test bank. For more USMLE Step 1 prep, subscribe to our Flash Facts and Step 1 Express video series. Score the best deal on all three products with a Step 1 Triple Play Bundle.

USMLE-Rx Step 2 Qmax Challenge #21685

7

Check out today’s Step 2 CK Qmax Question Challenge.

Know the answer? Post it in the comments below! Don’t forget to check back for an update with the correct answer and explanation (we’ll post it in the comments section below).

A 47-year-old man is brought unconscious to the emergency department by fire and rescue personnel after being rescued from a house fire. No medical history is available. His heart rate is 110/min, respiratory rate is 12/min, blood pressure is 115/70 mm Hg, and oxygen saturation is 99% on 2 L oxygen via nonrebreather face mask. Physical examination reveals second-degree burns on most of his trunk and upper arms and first-degree burns on his face, constituting approximately 15% body surface area. His nasal alae are singed. Cardiovascular examination is notable for a regular rhythm and capillary refill

Which of the following is the most appropriate first step in management?

A. Continue oxygen via nonrebreather mask and monitor closely
B. Initiate hyperbaric oxygen therapy
C. Intubate and deliver 100% oxygen via endotracheal tube
D. Obtain ECG and initiate continuous cardiovascular monitoring
E. Place two large-bore intravenous lines and start intravenous fluids

———————–

Want to know the ‘bottom line?’ Purchase a USMLE-Rx Subscription and get many more features, more questions, and passages from First Aid, including images, references, and other facts relevant to this question.

This practice question is an actual question from the USMLE-Rx Step 2 CK test bank. Get more Step 2 CK study help at USMLE-Rx.com.

USMLE-Rx Step 1 Qmax Challenge #4423

4

Check out today’s Step 1 Qmax Question Challenge.

Know the answer? Post it below! Don’t forget to check back for an update with the correct answer and explanation (we’ll post it in the comments section below).

A 25-year-old woman presents to her primary care physician with frequent headaches that worsen when she bends over. She says that she often burns the back of her arms while cooking but never notices until her husband says something. She has looked up her symptoms online, and is very worried that she has MS. She is referred to a neurologist, where an MRI reveals the congenital anatomical malformation seen below.

Sensory deficits are due to impingement upon which part of the spinal cord?

A. Anterior horn cells
B. Dorsal columns
C. Dorsal root ganglia
D. Spinocerebellar tract
E. Spinothalamic tract

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This practice question is an actual question from the USMLE-Rx Step 1 test bank. For more USMLE Step 1 prep, subscribe to our Flash Facts and Step 1 Express video series. Score the best deal on all three products with a Step 1 Triple Play Bundle.USMLE-Rx Step 1 Qmax Challenge #4423

USMLE-Rx Step 2 Qmax Challenge #21681

2

Check out today’s Step 2 CK Qmax Question Challenge.

Know the answer? Post it in the comments below! Don’t forget to check back for an update with the correct answer and explanation (we’ll post it in the comments section below).

A 16-year-old girl presents to her pediatrician complaining of “acne” on her face and chest for the past 4 months. She does not take any medications, and her family history is significant for a brother with acne that is treated with isotretinoin. Her mother has told her to stop eating so much pizza, but it is her favorite food and she has found this difficult. On physical examination she has erythematous papules, comedones, and pustules present predominantly on her forehead, chin, and cheeks, but also scattered on her chest and shoulders. Scarring is present on her chin and cheeks. A diagnosis of moderate acne vulgaris is made, and topical treatment with tretinoin and benzoyl peroxide is initiated. After 12 weeks of compliant treatment she has no improvement in symptoms.

Which of the following is the most appropriate next step in therapy?

A. Continue topical therapy and discuss dietary modification
B. Continue topical therapy and initiate oral tetracycline
C. Continue topical therapy and initiate treatment with isotretinoin
D. Continue topical therapy and reassess in 4 weeks
E. Discontinue topical therapy and initiate oral contraceptive therapy (containing estrogen)

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Want to know the ‘bottom line?’ Purchase a USMLE-Rx Subscription and get many more features, more questions, and passages from First Aid, including images, references, and other facts relevant to this question.

This practice question is an actual question from the USMLE-Rx Step 2 CK test bank. Get more Step 2 CK study help at USMLE-Rx.com.

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